Collection of app router migration guide tasks

[tordans]

I wanted to keep track on changes, so I will list the things I see missing in the current guide at https://blitzjs.com/docs/usage-next-13#app-directory

Blocker

• [x] https://github.com/blitz-js/blitzjs.com/pull/848
• [x] https://github.com/blitz-js/blitzjs.com/pull/847
• [x] https://github.com/blitz-js/blitzjs.com/pull/845
• [ ] Explain that Blitz Routes don't work in app directory. Explain how to use the experimental types route feature of NextJS App Router and how to use this with as Route whenever a param has to be added. See also https://discord.com/channels/802917734999523368/1161595039043047445
• [ ] TODO: Explain how to migrate useParams, useRouter, useSearchParams, see also https://discord.com/channels/802917734999523368/1161571344459239495
• [ ] TODO: How to work around that next/head is not available in App directory and Metatags are only available in server components which did not work for me (yet). We are considering moving back to ReactHelmet…
• [x] https://github.com/blitz-js/blitzjs.com/pull/844
• [ ] Double check the docs on authentication. All calls like FooPage.authenticate = true need to be replaces with useAuthenticatedBlitzContext. But first there is https://github.com/blitz-js/blitz/issues/4246 to be resolved.

Improvements

• [ ] https://github.com/blitz-js/blitzjs.com/pull/851
• [ ] https://github.com/blitz-js/blitzjs.com/pull/846
• [x] https://github.com/blitz-js/blitzjs.com/pull/845

Minor

• [x] https://github.com/blitz-js/blitzjs.com/pull/840
• [x] https://github.com/blitz-js/blitzjs.com/pull/843 => https://github.com/blitz-js/blitzjs.com/pull/844

[siddhsuresh]

Thanks @tordans this is perfect. I will work on reviewing these and also implement the suggestions in the upcoming template using the app directory